<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- 属性要写到表格标签 table 中 --> 
    <table align="center" border="1" cellpadding="23" cellspacing="0" width="500" height="200">
        <!-- <th>111</th> -->
        <th>姓名</th>
        <th>性别</th>
        <th>年龄</th>
        </tr>
        <tr>
            <td>wll</td>
            <td>nv</td>
            <td>18</td>
        </tr>
        <tr>
            <td>lcp</td>
            <td>n</td>
            <td>20</td>
        </tr>
    </table>
</body>

</html> 

